SYSTEM AND METHOD FOR IN-PROCESS INTEGRITY TEST OF A FILTER

SYSTEM AND METHOD FOR IN-PROCESS INTEGRITY TEST OF A FILTER

The invention relates to a method for in-process integrity test of a filter. The method may comprise the steps of: coupling a gas source to an input side of a filter (202) without removing the filter from a dispenser system, the gas source supplying a gas (22) and controlling a pressure of the gas;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RIESE, STEFAN, BRUSSERMANN, MICHAEL, DUHNEN, JOSEF
Format: Patent
Sprache:eng ; fre
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention relates to a method for in-process integrity test of a filter. The method may comprise the steps of: coupling a gas source to an input side of a filter (202) without removing the filter from a dispenser system, the gas source supplying a gas (22) and controlling a pressure of the gas; coupling a tube (204) to an output side of the filter (202), the tube being filled with a liquid (20) ; increasing the pressure while monitoring the tube (204), with a light beam (21), for a displacement of the liquid (20) by one or more gas bubbles (23); and determining a value of the pressure at which the displacement of the liquid (20) is detected.